Association of phosphorites, organic-rich shales, chert and carbonate rocks
Abstract The single-basin association of sequences of marine phosphorite, organic-rich shale, chert, dolomite and biogenic limestone has been known for a number of well studied deposits for many years. It has long been known that organic matter, silica and phosphorus are supplied to shallow shelf ar...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Sheldon, Richard P. [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1987 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer 1987 |
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| Übergeordnetes Werk: |
Enthalten in: Carbonates and evaporites - Springer Netherlands, 1986, 2(1987), 1 vom: März, Seite 7-14 |
|---|---|
| Übergeordnetes Werk: |
volume:2 ; year:1987 ; number:1 ; month:03 ; pages:7-14 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF03174301 |
|---|
| Katalog-ID: |
OLC2076495355 |
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| 520 | |a Abstract The single-basin association of sequences of marine phosphorite, organic-rich shale, chert, dolomite and biogenic limestone has been known for a number of well studied deposits for many years. It has long been known that organic matter, silica and phosphorus are supplied to shallow shelf areas by upwelling ocean currents. Recent marine sedimentologic research has shown that phosphorite and dolomite are formed by early diagenesis of organic matter and, in the case of dolomite, by early diagenesis of carbonate sediments. A literature survey of 135 world-wide phosphatic sequences from Lower Proterozoic to Quaternary age shows that the association of organicrich sediment, phosphorite, chert and carbonate has been constant over time, but that the type of carbonate rock has shown a temporal variation. Dolomite is the only significant carbonate in Proterozoic and Cambrian sequences, whereas both limestone and dolomite occur in younger sequences. Some of the organic-rich phosphatic sediments are oil shales or petroleum source rocks. It can be concluded that a significant percentage of world petroleum resources were derived from such source rocks. These phosphatic sequences tend to be cyclic in nature and, in some instances, the regressive sediments include restricted basin evaporites, carbonates and shales. However, these sediments have not been counted in the upwelling marine associations. | ||
| 650 | 4 | |a Shale | |
| 650 | 4 | |a Dolomite | |
| 650 | 4 | |a Ordovician | |
| 650 | 4 | |a Chert | |
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10.1007/BF03174301 doi (DE-627)OLC2076495355 (DE-He213)BF03174301-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Sheldon, Richard P. verfasserin aut Association of phosphorites, organic-rich shales, chert and carbonate rocks 1987 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer 1987 Abstract The single-basin association of sequences of marine phosphorite, organic-rich shale, chert, dolomite and biogenic limestone has been known for a number of well studied deposits for many years. It has long been known that organic matter, silica and phosphorus are supplied to shallow shelf areas by upwelling ocean currents. Recent marine sedimentologic research has shown that phosphorite and dolomite are formed by early diagenesis of organic matter and, in the case of dolomite, by early diagenesis of carbonate sediments. A literature survey of 135 world-wide phosphatic sequences from Lower Proterozoic to Quaternary age shows that the association of organicrich sediment, phosphorite, chert and carbonate has been constant over time, but that the type of carbonate rock has shown a temporal variation. Dolomite is the only significant carbonate in Proterozoic and Cambrian sequences, whereas both limestone and dolomite occur in younger sequences. Some of the organic-rich phosphatic sediments are oil shales or petroleum source rocks. It can be concluded that a significant percentage of world petroleum resources were derived from such source rocks. These phosphatic sequences tend to be cyclic in nature and, in some instances, the regressive sediments include restricted basin evaporites, carbonates and shales. However, these sediments have not been counted in the upwelling marine associations. Shale Dolomite Ordovician Chert Black Shale Enthalten in Carbonates and evaporites Springer Netherlands, 1986 2(1987), 1 vom: März, Seite 7-14 (DE-627)165666978 (DE-600)1037732-3 (DE-576)09095369X 0891-2556 nnns volume:2 year:1987 number:1 month:03 pages:7-14 https://doi.org/10.1007/BF03174301 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_40 GBV_ILN_70 GBV_ILN_381 GBV_ILN_4112 GBV_ILN_4309 AR 2 1987 1 03 7-14 |
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10.1007/BF03174301 doi (DE-627)OLC2076495355 (DE-He213)BF03174301-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Sheldon, Richard P. verfasserin aut Association of phosphorites, organic-rich shales, chert and carbonate rocks 1987 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer 1987 Abstract The single-basin association of sequences of marine phosphorite, organic-rich shale, chert, dolomite and biogenic limestone has been known for a number of well studied deposits for many years. It has long been known that organic matter, silica and phosphorus are supplied to shallow shelf areas by upwelling ocean currents. Recent marine sedimentologic research has shown that phosphorite and dolomite are formed by early diagenesis of organic matter and, in the case of dolomite, by early diagenesis of carbonate sediments. A literature survey of 135 world-wide phosphatic sequences from Lower Proterozoic to Quaternary age shows that the association of organicrich sediment, phosphorite, chert and carbonate has been constant over time, but that the type of carbonate rock has shown a temporal variation. Dolomite is the only significant carbonate in Proterozoic and Cambrian sequences, whereas both limestone and dolomite occur in younger sequences. Some of the organic-rich phosphatic sediments are oil shales or petroleum source rocks. It can be concluded that a significant percentage of world petroleum resources were derived from such source rocks. These phosphatic sequences tend to be cyclic in nature and, in some instances, the regressive sediments include restricted basin evaporites, carbonates and shales. However, these sediments have not been counted in the upwelling marine associations. Shale Dolomite Ordovician Chert Black Shale Enthalten in Carbonates and evaporites Springer Netherlands, 1986 2(1987), 1 vom: März, Seite 7-14 (DE-627)165666978 (DE-600)1037732-3 (DE-576)09095369X 0891-2556 nnns volume:2 year:1987 number:1 month:03 pages:7-14 https://doi.org/10.1007/BF03174301 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_40 GBV_ILN_70 GBV_ILN_381 GBV_ILN_4112 GBV_ILN_4309 AR 2 1987 1 03 7-14 |
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10.1007/BF03174301 doi (DE-627)OLC2076495355 (DE-He213)BF03174301-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Sheldon, Richard P. verfasserin aut Association of phosphorites, organic-rich shales, chert and carbonate rocks 1987 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer 1987 Abstract The single-basin association of sequences of marine phosphorite, organic-rich shale, chert, dolomite and biogenic limestone has been known for a number of well studied deposits for many years. It has long been known that organic matter, silica and phosphorus are supplied to shallow shelf areas by upwelling ocean currents. Recent marine sedimentologic research has shown that phosphorite and dolomite are formed by early diagenesis of organic matter and, in the case of dolomite, by early diagenesis of carbonate sediments. A literature survey of 135 world-wide phosphatic sequences from Lower Proterozoic to Quaternary age shows that the association of organicrich sediment, phosphorite, chert and carbonate has been constant over time, but that the type of carbonate rock has shown a temporal variation. Dolomite is the only significant carbonate in Proterozoic and Cambrian sequences, whereas both limestone and dolomite occur in younger sequences. Some of the organic-rich phosphatic sediments are oil shales or petroleum source rocks. It can be concluded that a significant percentage of world petroleum resources were derived from such source rocks. These phosphatic sequences tend to be cyclic in nature and, in some instances, the regressive sediments include restricted basin evaporites, carbonates and shales. However, these sediments have not been counted in the upwelling marine associations. Shale Dolomite Ordovician Chert Black Shale Enthalten in Carbonates and evaporites Springer Netherlands, 1986 2(1987), 1 vom: März, Seite 7-14 (DE-627)165666978 (DE-600)1037732-3 (DE-576)09095369X 0891-2556 nnns volume:2 year:1987 number:1 month:03 pages:7-14 https://doi.org/10.1007/BF03174301 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_40 GBV_ILN_70 GBV_ILN_381 GBV_ILN_4112 GBV_ILN_4309 AR 2 1987 1 03 7-14 |
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10.1007/BF03174301 doi (DE-627)OLC2076495355 (DE-He213)BF03174301-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Sheldon, Richard P. verfasserin aut Association of phosphorites, organic-rich shales, chert and carbonate rocks 1987 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer 1987 Abstract The single-basin association of sequences of marine phosphorite, organic-rich shale, chert, dolomite and biogenic limestone has been known for a number of well studied deposits for many years. It has long been known that organic matter, silica and phosphorus are supplied to shallow shelf areas by upwelling ocean currents. Recent marine sedimentologic research has shown that phosphorite and dolomite are formed by early diagenesis of organic matter and, in the case of dolomite, by early diagenesis of carbonate sediments. A literature survey of 135 world-wide phosphatic sequences from Lower Proterozoic to Quaternary age shows that the association of organicrich sediment, phosphorite, chert and carbonate has been constant over time, but that the type of carbonate rock has shown a temporal variation. Dolomite is the only significant carbonate in Proterozoic and Cambrian sequences, whereas both limestone and dolomite occur in younger sequences. Some of the organic-rich phosphatic sediments are oil shales or petroleum source rocks. It can be concluded that a significant percentage of world petroleum resources were derived from such source rocks. These phosphatic sequences tend to be cyclic in nature and, in some instances, the regressive sediments include restricted basin evaporites, carbonates and shales. However, these sediments have not been counted in the upwelling marine associations. Shale Dolomite Ordovician Chert Black Shale Enthalten in Carbonates and evaporites Springer Netherlands, 1986 2(1987), 1 vom: März, Seite 7-14 (DE-627)165666978 (DE-600)1037732-3 (DE-576)09095369X 0891-2556 nnns volume:2 year:1987 number:1 month:03 pages:7-14 https://doi.org/10.1007/BF03174301 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_40 GBV_ILN_70 GBV_ILN_381 GBV_ILN_4112 GBV_ILN_4309 AR 2 1987 1 03 7-14 |
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10.1007/BF03174301 doi (DE-627)OLC2076495355 (DE-He213)BF03174301-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Sheldon, Richard P. verfasserin aut Association of phosphorites, organic-rich shales, chert and carbonate rocks 1987 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer 1987 Abstract The single-basin association of sequences of marine phosphorite, organic-rich shale, chert, dolomite and biogenic limestone has been known for a number of well studied deposits for many years. It has long been known that organic matter, silica and phosphorus are supplied to shallow shelf areas by upwelling ocean currents. Recent marine sedimentologic research has shown that phosphorite and dolomite are formed by early diagenesis of organic matter and, in the case of dolomite, by early diagenesis of carbonate sediments. A literature survey of 135 world-wide phosphatic sequences from Lower Proterozoic to Quaternary age shows that the association of organicrich sediment, phosphorite, chert and carbonate has been constant over time, but that the type of carbonate rock has shown a temporal variation. Dolomite is the only significant carbonate in Proterozoic and Cambrian sequences, whereas both limestone and dolomite occur in younger sequences. Some of the organic-rich phosphatic sediments are oil shales or petroleum source rocks. It can be concluded that a significant percentage of world petroleum resources were derived from such source rocks. These phosphatic sequences tend to be cyclic in nature and, in some instances, the regressive sediments include restricted basin evaporites, carbonates and shales. However, these sediments have not been counted in the upwelling marine associations. Shale Dolomite Ordovician Chert Black Shale Enthalten in Carbonates and evaporites Springer Netherlands, 1986 2(1987), 1 vom: März, Seite 7-14 (DE-627)165666978 (DE-600)1037732-3 (DE-576)09095369X 0891-2556 nnns volume:2 year:1987 number:1 month:03 pages:7-14 https://doi.org/10.1007/BF03174301 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_40 GBV_ILN_70 GBV_ILN_381 GBV_ILN_4112 GBV_ILN_4309 AR 2 1987 1 03 7-14 |
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Association of phosphorites, organic-rich shales, chert and carbonate rocks |
| abstract |
Abstract The single-basin association of sequences of marine phosphorite, organic-rich shale, chert, dolomite and biogenic limestone has been known for a number of well studied deposits for many years. It has long been known that organic matter, silica and phosphorus are supplied to shallow shelf areas by upwelling ocean currents. Recent marine sedimentologic research has shown that phosphorite and dolomite are formed by early diagenesis of organic matter and, in the case of dolomite, by early diagenesis of carbonate sediments. A literature survey of 135 world-wide phosphatic sequences from Lower Proterozoic to Quaternary age shows that the association of organicrich sediment, phosphorite, chert and carbonate has been constant over time, but that the type of carbonate rock has shown a temporal variation. Dolomite is the only significant carbonate in Proterozoic and Cambrian sequences, whereas both limestone and dolomite occur in younger sequences. Some of the organic-rich phosphatic sediments are oil shales or petroleum source rocks. It can be concluded that a significant percentage of world petroleum resources were derived from such source rocks. These phosphatic sequences tend to be cyclic in nature and, in some instances, the regressive sediments include restricted basin evaporites, carbonates and shales. However, these sediments have not been counted in the upwelling marine associations. © Springer 1987 |
| abstractGer |
Abstract The single-basin association of sequences of marine phosphorite, organic-rich shale, chert, dolomite and biogenic limestone has been known for a number of well studied deposits for many years. It has long been known that organic matter, silica and phosphorus are supplied to shallow shelf areas by upwelling ocean currents. Recent marine sedimentologic research has shown that phosphorite and dolomite are formed by early diagenesis of organic matter and, in the case of dolomite, by early diagenesis of carbonate sediments. A literature survey of 135 world-wide phosphatic sequences from Lower Proterozoic to Quaternary age shows that the association of organicrich sediment, phosphorite, chert and carbonate has been constant over time, but that the type of carbonate rock has shown a temporal variation. Dolomite is the only significant carbonate in Proterozoic and Cambrian sequences, whereas both limestone and dolomite occur in younger sequences. Some of the organic-rich phosphatic sediments are oil shales or petroleum source rocks. It can be concluded that a significant percentage of world petroleum resources were derived from such source rocks. These phosphatic sequences tend to be cyclic in nature and, in some instances, the regressive sediments include restricted basin evaporites, carbonates and shales. However, these sediments have not been counted in the upwelling marine associations. © Springer 1987 |
| abstract_unstemmed |
Abstract The single-basin association of sequences of marine phosphorite, organic-rich shale, chert, dolomite and biogenic limestone has been known for a number of well studied deposits for many years. It has long been known that organic matter, silica and phosphorus are supplied to shallow shelf areas by upwelling ocean currents. Recent marine sedimentologic research has shown that phosphorite and dolomite are formed by early diagenesis of organic matter and, in the case of dolomite, by early diagenesis of carbonate sediments. A literature survey of 135 world-wide phosphatic sequences from Lower Proterozoic to Quaternary age shows that the association of organicrich sediment, phosphorite, chert and carbonate has been constant over time, but that the type of carbonate rock has shown a temporal variation. Dolomite is the only significant carbonate in Proterozoic and Cambrian sequences, whereas both limestone and dolomite occur in younger sequences. Some of the organic-rich phosphatic sediments are oil shales or petroleum source rocks. It can be concluded that a significant percentage of world petroleum resources were derived from such source rocks. These phosphatic sequences tend to be cyclic in nature and, in some instances, the regressive sediments include restricted basin evaporites, carbonates and shales. However, these sediments have not been counted in the upwelling marine associations. © Springer 1987 |
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| title_short |
Association of phosphorites, organic-rich shales, chert and carbonate rocks |
| url |
https://doi.org/10.1007/BF03174301 |
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10.1007/BF03174301 |
| up_date |
2024-07-04T03:29:16.871Z |
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